| 摘要 |
PURPOSE:To cipher and decipher a file by using an existent job program or a utility program as it is without correcting it. CONSTITUTION:This device is provided with a command interpreting part 1 for interpreting an SCSI command, ciphering mechanism 2 for ciphering write data similarly extracted from an external filing device number extracted by the command interpreting part 1, deciphering mechanism 3 for deciphering read data similarly extracted from the external filing device number extracted by the command interpreting part 1, device key management 4 for managing a device key for each external filing device, master key management 5 for managing the master key of the entire file ciphering device, and terminal control 6 for controlling a terminal for control to control the file ciphering device, and this device is connected to an SCSI interface part between a processor and the external filing device. |
